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Justin Gregoire
Data science professional with 6 years of experience empowering organizations with data and insights. My expertise covers multiple areas: defining metrics and extracting insights with imperfect data; analyzing A/B experiments and using inferential statistics to deduce product impact and opportunity; and building data pipelines to support business intelligence.
I’ve employed my skillset across multiple cross-functional teams within a variety of industries - including ed tech, mobile gaming, B2B cloud products, and health care.
Professional Experience
Senior Data Scientist, Product Analytics
TikTok
Mountain View, CA
2022
- (WIP) Data Science lead for launch of new product expansion in the US (Magellan; confidential)
Senior Data Scientist
Skillshare
New York, NY
2022 - 2021
- Acted as data insights leader for new product expansion beyond core membership. Leveraged k-means clustering to identify target teacher segments and size potential monetization opportunities. This analysis and subsequent strategy demonstrated path for potential sales increases of 50%
- Applied causal inference techniques when standard A/B testing wasn’t possible. Examples include counterfactual estimations for various marketing offer changes; and designing quasi-experiments for influencer marketing due to lack of A/B tools in this area.
- Led experimentation processes and analysis within the product team’s personalization & discovery pods - including changes to content recommendation algorithms, new onboarding features/flows, and changes to Search and Browse.
Data Scientist
Skillshare
New York, NY
2021 - 2020
- Scored potential profitability of international markets. Presented findings to CEO and executive team. This work continues to guide our international growth strategy.
- Evaluated potential marketing attribution methodologies and implemented a “first touch” methodology based on model comparisons and technical considerations.
- Built an external facing algorithm projecting teachers’ upcoming monthly royalty payments, subsequently increasing teacher retention and satisfaction scores.
Marketing Analytics Manager
Skillshare
New York, NY
2020 - 2019
- Defined marketing performance metrics and built analytics pipelines and data models for scalable reporting and analysis.
- Increased influencer marketing’s quarterly spend capacity by ~50% while simultaneously maintaining baseline ROAS performance via a custom “Influencer Relationship Management” solution leveraging Salesforce and 3rd party data.
- Partnered with product’s growth pod on experiment design and analysis of various subscription pricing strategies across international markets
Digital Senior Analyst, Marketing Analytics @ Google
Accenture
San Francisco, CA
2019 - 2018
- Led a team of 4 data analysts supporting analytics initiatives for a key acquisition program. Partnered with marketing, sales, and engineering to define metrics, build data pipelines and reporting, and provide strategic analysis and recommendations.
Digital Analyst @ Zynga
Accenture
San Francisco, CA
2018 - 2016
- Partnered directly with VP of User Acquisition on analytics initiatives that increased returns on ad spend from 70% to 115% on an annual investment >$100M. This included building out executive-level reporting and implementing user LTV modeling so marketers could optimize their budgets in real time.